diff --git a/src/blecsan.cpp b/src/blecsan.cpp
index 33d303dc..8b8a8207 100644
--- a/src/blecsan.cpp
+++ b/src/blecsan.cpp
@@ -253,8 +253,8 @@ esp_err_t register_ble_callback(bool unregister = false) {
         .scan_interval =
             (uint16_t)(cfg.blescantime * 10 / 0.625), // Time = N * 0.625 msec
         .scan_window =
-            (uint16_t)(BLESCANWINDOW / 0.625) // Time = N * 0.625 msec
-    };
+            (uint16_t)(BLESCANWINDOW / 0.625), // Time = N * 0.625 msec
+        .scan_duplicate = BLE_SCAN_DUPLICATE_ENABLE};
 
     ESP_LOGI(TAG, "Set GAP scan parameters");
 
diff --git a/src/bmesensor.cpp b/src/bmesensor.cpp
index 56924d4a..9ba31fcf 100644
--- a/src/bmesensor.cpp
+++ b/src/bmesensor.cpp
@@ -5,7 +5,7 @@
 // Local logging tag
 static const char TAG[] = __FILE__;
 
-bmeStatus_t bme_status = {0};
+bmeStatus_t bme_status = {0, 0, 0, 0, 0, 0, 0, 0};
 
 Ticker bmecycler;
 
diff --git a/src/rcommand.cpp b/src/rcommand.cpp
index afea9eb4..d69bb0cc 100644
--- a/src/rcommand.cpp
+++ b/src/rcommand.cpp
@@ -267,7 +267,7 @@ void set_macfilter(uint8_t val[]) {
 
 void set_rgblum(uint8_t val[]) {
   // Avoid wrong parameters
-  cfg.rgblum = (val[0] >= 0 && val[0] <= 100) ? (uint8_t)val[0] : RGBLUMINOSITY;
+  cfg.rgblum = (val[0] <= 100) ? (uint8_t)val[0] : RGBLUMINOSITY;
   ESP_LOGI(TAG, "Remote command: set RGB Led luminosity %d", cfg.rgblum);
 };
 
diff --git a/src/timesync.cpp b/src/timesync.cpp
index c97da655..55a0d82f 100644
--- a/src/timesync.cpp
+++ b/src/timesync.cpp
@@ -82,7 +82,7 @@ void IRAM_ATTR timesync_processReq(void *taskparameter) {
     }
 
     // collect timestamp samples in timestamp array
-    for (uint8_t i = 0; i < TIME_SYNC_SAMPLES; i++) {
+    for (int8_t i = 0; i < TIME_SYNC_SAMPLES; i++) {
 
 // send timesync request
 #if (TIME_SYNC_LORASERVER) // ask user's timeserver (for LoRAWAN < 1.0.3)